<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<table width="300" border="3" bgcolor="#f0f8ff" >
    <tr>
        <td colspan="3" align="center">工程数量</td>
    </tr>
    <tr>
        <td rowspan="2">废气净化处理项目</td>
        <td>废气处理项目</td>
        <td>2</td>
    </tr>

    <tr>
        <td> 废水处理项目</td>
        <td>3</td>
    </tr>

    <tr>
        <td rowspan="2">污染土壤修复工程</td>
        <td>土壤检测项目</td>
        <td>3</td>
    </tr>

    <tr>
        <td>土壤修复项目</td>
        <td>2</td>
    </tr>
</table>
</body>
</html>